<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>计算器</title>
</head>
<body>
<h1>计算器</h1>
<form action="/calServlet" method="get">
    num1:<input type="text" name="num1"><br/>
    num2:<input type="text" name="num2"><br/>
    <input type="submit" value="提交">
</form>
</body>
</html>